Based on Characteristic methods,considering effect of variable specific heat and boundary development,the methods and program to determine the contour of single expansion ramp nozzles for hypersonic vehicles were developed.
基于特征线法,并考虑变比热的影响,开展了高超声速飞行器用单膨胀斜面喷管设计。
From the view of integration of airframe and propulsion system, the single expansion ramp nozzle with large expansion ratio is the most reasonable exhaust system.
高超声速飞行器及其推进系统是目前国际上航空航天大国竞相研究与开发的热点，从飞行器／推进系统一体化的角度考虑，大膨胀比单膨胀斜面喷管是最理想的排气系统，它引起了国内外越来越多的重视。
Physical and Chemical Changes of Tobacco Stem and Stem Granules During Microwave Expansion;
微波膨胀过程中烟梗及由其制备的颗粒的物理化学变化
An experimental study on the expansion mechanism of alkali-silica reaction in concrete;
混凝土中碱-硅反应的膨胀机理研究
Control and Support Technology of Expansion Soft Rock;
离散膨胀性软岩控制及支护技术
Application and technology of expandable liner hanger;
可膨胀尾管悬挂器技术及其应用
The simulation of casing expandable reinforce;
套管膨胀加固模拟仿真分析
Study of lysine and protein level in expand porket feed;
膨胀乳仔猪日粮中赖氨酸和蛋白质水平研究
Research on Contour Design and Flow Control of Single Expansion Ramp Nozzle;
单膨胀斜面喷管型面设计及其流动控制研究
The design and flow field simulation of single expansion ramp nozzle with variable flaps
下斜板可调的单膨胀斜面喷管型面设计和流场模拟
Experimental and computational investigation of a over-expanded single-expansion-ramp-nozzle
过膨胀单边膨胀喷管试验和数值模拟
Optimization design of single expansion ramp nozzle based on Rao's method
基于Rao方法的二维单壁膨胀喷管优化设计
Single Expansion Ramp Nozzle Design and Performance Analysis;
非对称大膨胀比喷管设计及性能分析
expandable bubble tiltmeter
可膨胀气泡式倾斜计
To cause(dough) to puff up.
发酵使（面团）膨胀
Biomechanical tests of percutanous lumbar interbody fusion by expansile cage through lateral approach
经皮穿刺斜入路置入单枚膨胀式腰椎间融合器的生物力学试验
THE EFFECT OF RATE OF EXPANSICN ON THE CONDENSATION OF SUPERSONIC WET STEAM FLOW IN A LAVAL·NOZZLE
膨胀率对拉伐尔喷管超音速湿蒸汽流动凝结过程的影响
Expandable Principle Study of Adaptable and Expandable Sand Screen
可自适应膨胀防砂筛管膨胀机理研究
Analysis on Deformation Force of Solid Expandable Tubular Based on ANSYS/LS-DYNA
基于ANSYS/LS-DYNA的实体膨胀管膨胀力分析
Study of Relationship between Expansion Cone and Fluid Pressure
膨胀管中膨胀锥角与液压力关系研究
expansive cement concrete pavement
膨胀水泥混凝土路面
a drug that causes dilation of blood vessels.
引起血管膨胀的药物。
Later, the mountain swells enough to be measured by tiltmeters.
接着，火山开始膨胀，这种膨胀甚至用倾斜仪都可测得出来。
Research on Expansive Performance of Expansive Agent in Steel Tube Concrete;
膨胀剂在钢管混凝土中的膨胀作用研究
However, it develops that the rate of cooling during the expansion in any practical nozzle is too fast for the recombination to occur.
然而，实际情况是，然后实际喷管里气流膨胀时冷却速度都很快，使分子来不及重新化合。
On the Discussion about Budding Test of Bellow Expansion Joint in Type-test
波纹管膨胀节型式试验中平面失稳试验方法的讨论